IMTHURN SISTERS
Lease 1001109430 · Greenwood County, Kansas · NENENE Sec 4 T23S R13E · DOR 102501
Oil1965–20268 wells
Operator
Sauder Oil Co., LLC
Cumulative (state figure)
59,845.27 bbl
First production
1965
Last production
2026
Location (PLSS)
NENENE Sec 4 T23S R13E
Monthly oil production
479 months filed with the Kansas Geological Survey, Jan 1980 to Apr 2026. Volumes are bbl at lease level — a lease can cover many wells, so this is not a well's output.
Total over the months shown
40,182.30 bbl
Months filed
479
Most wells in a month
3
This lease was producing before 1980, and the series begins in January 1980. The total above covers the months shown, not the life of the lease; the state's own cumulative is 59,845.27 bbl.
| Month | Oil (bbl) | Wells |
|---|---|---|
| Apr 2026 | 75.71 | 3 |
| Feb 2026 | 76.82 | 3 |
| Jan 2026 | 75.03 | 3 |
| Dec 2025 | 79.16 | 3 |
| Oct 2025 | 73.69 | 3 |
| Sep 2025 | 80.71 | 3 |
| Aug 2025 | 72.62 | 3 |
| Jul 2025 | 74.72 | 3 |
| May 2025 | 62.31 | 3 |
| Apr 2025 | 79.67 | 3 |
| Mar 2025 | 75.97 | 3 |
| Feb 2025 | 77.15 | 3 |
| Dec 2024 | 77.30 | 3 |
| Nov 2024 | 79.06 | 3 |
| Sep 2024 | 71.02 | 3 |
| Aug 2024 | 79.16 | 3 |
| Jul 2024 | 74.27 | 3 |
| Jun 2024 | 55.84 | 3 |
| Apr 2024 | 90.88 | 3 |
| Mar 2024 | 75.14 | 3 |
| Feb 2024 | 78.23 | 3 |
| Dec 2023 | 76.89 | 3 |
| Oct 2023 | 74.85 | 3 |
| Sep 2023 | 78.40 | 3 |
| Aug 2023 | 78.19 | 3 |
| Jul 2023 | 75.53 | 3 |
| May 2023 | 76.07 | 3 |
| Apr 2023 | 78.36 | 3 |
| Feb 2023 | 74.62 | 3 |
| Jan 2023 | 77.64 | 3 |
| Nov 2022 | 46.01 | 3 |
| Oct 2022 | 78.16 | 3 |
| Sep 2022 | 77.84 | 3 |
| Jul 2022 | 63.50 | 3 |
| Jun 2022 | 75.55 | 3 |
| May 2022 | 78.32 | 3 |
| Apr 2022 | 16.85 | 3 |
| Mar 2022 | 73.71 | 3 |
| Feb 2022 | 75.37 | 3 |
| Jan 2022 | 80.34 | 3 |
| Nov 2021 | 75.04 | 3 |
| Oct 2021 | 78.43 | 3 |
| Aug 2021 | 64.88 | 3 |
| Jul 2021 | 76.73 | 3 |
| Jun 2021 | 72.61 | 3 |
| May 2021 | 69.57 | 3 |
| Apr 2021 | 72.11 | 3 |
| Feb 2021 | 71.70 | 3 |
| Dec 2020 | 78.80 | 3 |
| Nov 2020 | 73.68 | 3 |
| Oct 2020 | 76.41 | 3 |
| Aug 2020 | 77.13 | 3 |
| Jul 2020 | 76.29 | 3 |
| May 2020 | 78.62 | 3 |
| Apr 2020 | 77.63 | 3 |
| Mar 2020 | 72.58 | 3 |
| Jan 2020 | 78.84 | 3 |
| Dec 2019 | 85.53 | 3 |
| Oct 2019 | 80.62 | 3 |
| Sep 2019 | 73.78 | 3 |
| Jul 2019 | 74.72 | 3 |
| Jun 2019 | 73.16 | 3 |
| Apr 2019 | 79.05 | 3 |
| Mar 2019 | 62.11 | 3 |
| Feb 2019 | 64.04 | 3 |
| Dec 2018 | 95.32 | 3 |
| Oct 2018 | 108.03 | 3 |
| Sep 2018 | 74.42 | 3 |
| Jul 2018 | 143.68 | 3 |
| Jun 2018 | 47.84 | 3 |
| Apr 2018 | 129.89 | 3 |
| Feb 2018 | 68.39 | 3 |
| Jan 2018 | 79.20 | 3 |
| Nov 2017 | 68.06 | 3 |
| Oct 2017 | 76.85 | 3 |
| Sep 2017 | 78.75 | 3 |
| Jul 2017 | 74.56 | 3 |
| Jun 2017 | 78.95 | 3 |
| May 2017 | 77.30 | 3 |
| Mar 2017 | 58.90 | 3 |
| Feb 2017 | 79.20 | 3 |
| Dec 2016 | 74.32 | 3 |
| Nov 2016 | 70.74 | 3 |
| Oct 2016 | 47.28 | 3 |
| Sep 2016 | 71.63 | 3 |
| Jul 2016 | 62.24 | 3 |
| Jun 2016 | 71.27 | 3 |
| May 2016 | 67.05 | 3 |
| Apr 2016 | 70.10 | 3 |
| Mar 2016 | 68.16 | 3 |
| Feb 2016 | 73.61 | 3 |
| Jan 2016 | 67.48 | 3 |
| Dec 2015 | 73.58 | 3 |
| Oct 2015 | 72.93 | 3 |
| Sep 2015 | 73.07 | 3 |
| Jun 2015 | 105.69 | 3 |
| May 2015 | 71.57 | 3 |
| Mar 2015 | 67.56 | 3 |
| Feb 2015 | 72.66 | 3 |
| Jan 2015 | 74.41 | 3 |
| Nov 2014 | 75.13 | 3 |
| Oct 2014 | 74.60 | 3 |
| Sep 2014 | 75.59 | 3 |
| Aug 2014 | 76.11 | 3 |
| Jun 2014 | 75.30 | 3 |
| May 2014 | 75.86 | 3 |
| Apr 2014 | 75.36 | 3 |
| Feb 2014 | 74.95 | 3 |
| Jan 2014 | 75.66 | 3 |
| Nov 2013 | 57.58 | 3 |
| Oct 2013 | 52.38 | 3 |
| Sep 2013 | 63.65 | 3 |
| Aug 2013 | 58.22 | 3 |
| Jul 2013 | 77.35 | 3 |
| Jun 2013 | 75.33 | 3 |
| May 2013 | 74.45 | 3 |
| Apr 2013 | 75.37 | 3 |
| Mar 2013 | 73.95 | 3 |
| Jan 2013 | 77.01 | 3 |
| Dec 2012 | 76.16 | 3 |
| Nov 2012 | 76.14 | 3 |
| Sep 2012 | 76.33 | 3 |
| Aug 2012 | 91.16 | 3 |
| Jun 2012 | 75.66 | 3 |
| May 2012 | 77.38 | 3 |
| Mar 2012 | 73.12 | 3 |
| Feb 2012 | 76.60 | 3 |
| Jan 2012 | 78.11 | 3 |
| Dec 2011 | 77.54 | 3 |
| Nov 2011 | 73.94 | 3 |
| Sep 2011 | 72.97 | 3 |
| Aug 2011 | 75.67 | 3 |
| Jun 2011 | 64.12 | 3 |
| May 2011 | 70.30 | 3 |
| Apr 2011 | 77.01 | 3 |
| Mar 2011 | 71.76 | 3 |
| Feb 2011 | 74.96 | 3 |
| Jan 2011 | 66.91 | 3 |
| Nov 2010 | 58.02 | 3 |
| Oct 2010 | 71.16 | 3 |
| Sep 2010 | 75.79 | 3 |
| Aug 2010 | 77.24 | 3 |
| Jul 2010 | 76.29 | 3 |
| Jun 2010 | 75.92 | 3 |
| May 2010 | 76.21 | 3 |
| Mar 2010 | 75.47 | 3 |
| Feb 2010 | 76.97 | 3 |
| Jan 2010 | 75.50 | 3 |
| Nov 2009 | 74.78 | 3 |
| Oct 2009 | 77.23 | 3 |
| Sep 2009 | 76.84 | 3 |
| Jul 2009 | 75.60 | 3 |
| Jun 2009 | 76.93 | 3 |
| May 2009 | 151.46 | 3 |
| Mar 2009 | 72.99 | 3 |
| Feb 2009 | 73.40 | 3 |
| Jan 2009 | 71.69 | 3 |
| Dec 2008 | 71.48 | 3 |
| Oct 2008 | 76.39 | 3 |
| Sep 2008 | 76.91 | 3 |
| Aug 2008 | 75.27 | 3 |
| Jul 2008 | 149.07 | 3 |
| May 2008 | 76.39 | 3 |
| Mar 2008 | 71.79 | 3 |
| Feb 2008 | 67.36 | 3 |
| Jan 2008 | 66.77 | 3 |
| Dec 2007 | 76.51 | 3 |
| Nov 2007 | 79.03 | 3 |
| Oct 2007 | 77.15 | 3 |
| Sep 2007 | 77.64 | 3 |
| Aug 2007 | 76.69 | 3 |
| Jul 2007 | 77.39 | 3 |
| Jun 2007 | 75.80 | 3 |
| Apr 2007 | 64.45 | 3 |
| Mar 2007 | 73.49 | 3 |
| Feb 2007 | 69.38 | 3 |
| Jan 2007 | 66.41 | 3 |
| Dec 2006 | 78.73 | 3 |
| Nov 2006 | 79.31 | 3 |
| Oct 2006 | 78.63 | 3 |
| Sep 2006 | 77.43 | 3 |
| Aug 2006 | 75.09 | 3 |
| Jul 2006 | 76.47 | 3 |
| May 2006 | 76.86 | 3 |
| Apr 2006 | 68.46 | 3 |
| Mar 2006 | 66.30 | 3 |
| Feb 2006 | 73.97 | 3 |
| Jan 2006 | 102.47 | 3 |
| Dec 2005 | 74.82 | 3 |
| Nov 2005 | 76.17 | 3 |
| Sep 2005 | 66.86 | 3 |
| Aug 2005 | 75.19 | 3 |
| Jul 2005 | 75.49 | 3 |
| Jun 2005 | 75.49 | 3 |
| May 2005 | 75.19 | 3 |
| Apr 2005 | 78.32 | 3 |
| Feb 2005 | 68.48 | 3 |
| Jan 2005 | 75.75 | 3 |
| Dec 2004 | 79.25 | 3 |
| Nov 2004 | 77.05 | 3 |
| Oct 2004 | 79.58 | 3 |
| Sep 2004 | 76.28 | 3 |
| Jul 2004 | 64.00 | 3 |
| Jun 2004 | 63.09 | 3 |
| May 2004 | 64.21 | 3 |
| Apr 2004 | 64.05 | 3 |
| Mar 2004 | 69.42 | 3 |
| Feb 2004 | 63.53 | 3 |
| Jan 2004 | 64.39 | 3 |
| Dec 2003 | 67.15 | 3 |
| Nov 2003 | 62.09 | 3 |
| Oct 2003 | 64.36 | 3 |
| Sep 2003 | 69.67 | 3 |
| Aug 2003 | 77.47 | 3 |
| Jul 2003 | 50.26 | 3 |
| Jun 2003 | 76.78 | 3 |
| May 2003 | 129.40 | 3 |
| Mar 2003 | 67.81 | 3 |
| Feb 2003 | 67.48 | 3 |
| Jan 2003 | 77.93 | 3 |
| Dec 2002 | 78.62 | 3 |
| Nov 2002 | 77.60 | 3 |
| Oct 2002 | 77.95 | 3 |
| Sep 2002 | 74.56 | 3 |
| Jul 2002 | 74.35 | 3 |
| Jun 2002 | 73.06 | 3 |
| May 2002 | 74.74 | 3 |
| Apr 2002 | 75.99 | 3 |
| Mar 2002 | 74.55 | 3 |
| Feb 2002 | 76.26 | 3 |
| Jan 2002 | 78.62 | 3 |
| Nov 2001 | 63.42 | 3 |
| Oct 2001 | 79.13 | 3 |
| Sep 2001 | 78.83 | 3 |
| Aug 2001 | 77.81 | 3 |
| Jul 2001 | 76.58 | 3 |
| Jun 2001 | 76.74 | 3 |
| May 2001 | 75.24 | 3 |
| Apr 2001 | 75.13 | 3 |
| Mar 2001 | 75.15 | 3 |
| Feb 2001 | 69.91 | 3 |
| Dec 2000 | 131.12 | 3 |
| Nov 2000 | 77.17 | 3 |
| Sep 2000 | 74.26 | 3 |
| Aug 2000 | 76.99 | 3 |
| Jul 2000 | 77.67 | 3 |
| Jun 2000 | 77.53 | 3 |
| May 2000 | 74.32 | 3 |
| Mar 2000 | 120.61 | 3 |
| Feb 2000 | 75.51 | 3 |
| Dec 1999 | 72.80 | 3 |
| Nov 1999 | 73.40 | 3 |
| Oct 1999 | 80.01 | 3 |
| Sep 1999 | 78.00 | 3 |
| Aug 1999 | 76.98 | 3 |
| Jul 1999 | 78.13 | 3 |
| Jun 1999 | 79.71 | 3 |
| May 1999 | 76.54 | 3 |
| Apr 1999 | 80.56 | 3 |
| Mar 1999 | 80.39 | 3 |
| Feb 1999 | 75.20 | 3 |
| Jan 1999 | 80.28 | 3 |
| Dec 1998 | 76.79 | 3 |
| Nov 1998 | 77.66 | 3 |
| Oct 1998 | 75.87 | 3 |
| Aug 1998 | 75.03 | 3 |
| Jul 1998 | 80.30 | 3 |
| Jun 1998 | 80.83 | 3 |
| May 1998 | 75.43 | 3 |
| Apr 1998 | 153.07 | 3 |
| Feb 1998 | 75.41 | 3 |
| Jan 1998 | 79.84 | 3 |
| Dec 1997 | 76.33 | 3 |
| Nov 1997 | 153.02 | 3 |
| Oct 1997 | 77.66 | 3 |
| Sep 1997 | 75.65 | 3 |
| Aug 1997 | 75.77 | 3 |
| Jul 1997 | 75.91 | 3 |
| Jun 1997 | 79.66 | 3 |
| May 1997 | 157.09 | 3 |
| Apr 1997 | 72.11 | 3 |
| Mar 1997 | 80.42 | 3 |
| Feb 1997 | 72.83 | 3 |
| Jan 1997 | 79.44 | 3 |
| Dec 1996 | 154.20 | 3 |
| Nov 1996 | 77.93 | 3 |
| Oct 1996 | 77.40 | 3 |
| Sep 1996 | 79.63 | 3 |
| Aug 1996 | 78.45 | 3 |
| Jul 1996 | 77.11 | 3 |
| Jun 1996 | 79.69 | 3 |
| May 1996 | 80.54 | 3 |
| Apr 1996 | 77.81 | 3 |
| Mar 1996 | 149.38 | 3 |
| Feb 1996 | 78.03 | 3 |
| Jan 1996 | 72.87 | 3 |
| Dec 1995 | 78.00 | 2 |
| Nov 1995 | 80.00 | 2 |
| Oct 1995 | 77.00 | 2 |
| Sep 1995 | 80.00 | 2 |
| Aug 1995 | 77.00 | 2 |
| Jul 1995 | 78.00 | 2 |
| Jun 1995 | 156.00 | 2 |
| May 1995 | 79.00 | 2 |
| Apr 1995 | 77.00 | 2 |
| Mar 1995 | 77.00 | 2 |
| Feb 1995 | 77.00 | 2 |
| Jan 1995 | 79.00 | 2 |
| Dec 1994 | 80.00 | 2 |
| Nov 1994 | 156.00 | 2 |
| Oct 1994 | 78.00 | 2 |
| Sep 1994 | 76.00 | 2 |
| Aug 1994 | 76.00 | 2 |
| Jul 1994 | 78.00 | 2 |
| Jun 1994 | 78.00 | 2 |
| May 1994 | 77.00 | 2 |
| Apr 1994 | 147.00 | 2 |
| Mar 1994 | 81.00 | 2 |
| Feb 1994 | 79.00 | 2 |
| Jan 1994 | 80.00 | 2 |
| Dec 1993 | 119.00 | 2 |
| Nov 1993 | 82.00 | 2 |
| Oct 1993 | 159.00 | 2 |
| Sep 1993 | 79.00 | 2 |
| Aug 1993 | 80.00 | 2 |
| Jul 1993 | 82.00 | 2 |
| Jun 1993 | 79.00 | 2 |
| May 1993 | 161.00 | 2 |
| Apr 1993 | 81.00 | 2 |
| Mar 1993 | 82.00 | 2 |
| Feb 1993 | 79.00 | 2 |
| Jan 1993 | 79.00 | 2 |
| Dec 1992 | 159.00 | 2 |
| Nov 1992 | 81.00 | 2 |
| Oct 1992 | 80.00 | 2 |
| Sep 1992 | 81.00 | 2 |
| Aug 1992 | 79.00 | 2 |
| Jul 1992 | 160.00 | 2 |
| Jun 1992 | 78.00 | 2 |
| May 1992 | 79.00 | 2 |
| Apr 1992 | 80.00 | 2 |
| Mar 1992 | 163.00 | 2 |
| Jan 1992 | 162.00 | 2 |
| Dec 1991 | 69.00 | 2 |
| Nov 1991 | 79.00 | 2 |
| Oct 1991 | 80.00 | 2 |
| Sep 1991 | 81.00 | 2 |
| Aug 1991 | 79.00 | 2 |
| Jul 1991 | 80.00 | 2 |
| Jun 1991 | 82.00 | 2 |
| May 1991 | 158.00 | 2 |
| Apr 1991 | 80.00 | 2 |
| Mar 1991 | 80.00 | 2 |
| Feb 1991 | 164.00 | 2 |
| Dec 1990 | 79.00 | 2 |
| Nov 1990 | 79.00 | 2 |
| Oct 1990 | 80.00 | 2 |
| Sep 1990 | 161.00 | 2 |
| Aug 1990 | 79.00 | 2 |
| Jul 1990 | 81.00 | 2 |
| Jun 1990 | 78.00 | 2 |
| May 1990 | 160.00 | 2 |
| Apr 1990 | 79.00 | 2 |
| Mar 1990 | 82.00 | 2 |
| Feb 1990 | 81.00 | 2 |
| Jan 1990 | 163.00 | 2 |
| Dec 1989 | 64.00 | 2 |
| Nov 1989 | 149.00 | 2 |
| Oct 1989 | 81.00 | 2 |
| Sep 1989 | 82.00 | 2 |
| Aug 1989 | 79.00 | 2 |
| Jul 1989 | 163.00 | 2 |
| Jun 1989 | 84.00 | 2 |
| May 1989 | 82.00 | 2 |
| Apr 1989 | 84.00 | 2 |
| Mar 1989 | 79.00 | 2 |
| Feb 1989 | 80.00 | 2 |
| Jan 1989 | 160.00 | 2 |
| Dec 1988 | 81.00 | 2 |
| Nov 1988 | 81.00 | 2 |
| Oct 1988 | 81.00 | 2 |
| Sep 1988 | 121.00 | 2 |
| Aug 1988 | 116.00 | 2 |
| Jul 1988 | 80.00 | 2 |
| Jun 1988 | 79.00 | 2 |
| May 1988 | 111.00 | 2 |
| Apr 1988 | 134.00 | 2 |
| Mar 1988 | 80.00 | 2 |
| Feb 1988 | 67.00 | 2 |
| Jan 1988 | 80.00 | 2 |
| Dec 1987 | 164.00 | 2 |
| Nov 1987 | 78.00 | 2 |
| Oct 1987 | 83.00 | 2 |
| Sep 1987 | 82.00 | 2 |
| Aug 1987 | 164.00 | 2 |
| Jul 1987 | 83.00 | 2 |
| Jun 1987 | 81.00 | 2 |
| May 1987 | 84.00 | 2 |
| Apr 1987 | 165.00 | 2 |
| Mar 1987 | 82.00 | 2 |
| Feb 1987 | 167.00 | 2 |
| Dec 1986 | 85.00 | 2 |
| Nov 1986 | 83.00 | 2 |
| Oct 1986 | 84.00 | 2 |
| Sep 1986 | 80.00 | 2 |
| Aug 1986 | 161.00 | 2 |
| Jul 1986 | 134.00 | 2 |
| Jun 1986 | 84.00 | 2 |
| May 1986 | 81.00 | 2 |
| Apr 1986 | 82.00 | 2 |
| Mar 1986 | 83.00 | 2 |
| Feb 1986 | 84.00 | 2 |
| Jan 1986 | 82.00 | 2 |
| Dec 1985 | 85.00 | 2 |
| Nov 1985 | 85.00 | 2 |
| Oct 1985 | 82.00 | 2 |
| Sep 1985 | 81.00 | 2 |
| Aug 1985 | 162.00 | 2 |
| Jul 1985 | 81.00 | 2 |
| Jun 1985 | 84.00 | 2 |
| May 1985 | 82.00 | 2 |
| Apr 1985 | 84.00 | 2 |
| Mar 1985 | 82.00 | 2 |
| Feb 1985 | 83.00 | 2 |
| Jan 1985 | 85.00 | 2 |
| Dec 1984 | 84.00 | 2 |
| Nov 1984 | 83.00 | 2 |
| Oct 1984 | 84.00 | 2 |
| Sep 1984 | 80.00 | 2 |
| Aug 1984 | 59.00 | 2 |
| Jun 1984 | 82.00 | 2 |
| May 1984 | 83.00 | 2 |
| Apr 1984 | 84.00 | 2 |
| Mar 1984 | 163.00 | 2 |
| Jan 1984 | 80.00 | 2 |
| Dec 1983 | 85.00 | 2 |
| Nov 1983 | 83.00 | 2 |
| Oct 1983 | 78.00 | 2 |
| Sep 1983 | 83.00 | 2 |
| Aug 1983 | 160.00 | 2 |
| Jul 1983 | 80.00 | 2 |
| Jun 1983 | 82.00 | 2 |
| May 1983 | 84.00 | 2 |
| Apr 1983 | 82.00 | 2 |
| Mar 1983 | 73.00 | 2 |
| Feb 1983 | 82.00 | 2 |
| Jan 1983 | 168.00 | 2 |
| Nov 1982 | 84.00 | 2 |
| Oct 1982 | 82.00 | 2 |
| Sep 1982 | 84.00 | 2 |
| Aug 1982 | 81.00 | 2 |
| Jul 1982 | 83.00 | 2 |
| Jun 1982 | 81.00 | 2 |
| May 1982 | 58.00 | 2 |
| Apr 1982 | 83.00 | 2 |
| Mar 1982 | 160.00 | 2 |
| Jan 1982 | 83.00 | 2 |
| Dec 1981 | 84.00 | 2 |
| Nov 1981 | 166.00 | 2 |
| Oct 1981 | 83.00 | 2 |
| Sep 1981 | 83.00 | 2 |
| Aug 1981 | 82.00 | 2 |
| Jun 1981 | 165.00 | 2 |
| May 1981 | 79.00 | 2 |
| Apr 1981 | 83.00 | 2 |
| Mar 1981 | 79.00 | 2 |
| Feb 1981 | 80.00 | 2 |
| Jan 1981 | 85.00 | 2 |
| Dec 1980 | 82.00 | 2 |
| Nov 1980 | 85.00 | 2 |
| Oct 1980 | 45.00 | 2 |
| Sep 1980 | 25.00 | 2 |
| Aug 1980 | 74.00 | 2 |
| Jul 1980 | 82.00 | 2 |
| Jun 1980 | 165.00 | 2 |
| Apr 1980 | 170.00 | 2 |
| Mar 1980 | 84.00 | 2 |
| Feb 1980 | 84.00 | 2 |
| Jan 1980 | 82.00 | 2 |
Lease-level volumes as filed with the Kansas Geological Survey. A blank well count is a month the state filed no count for, not a month with no wells.
Wells on this lease
8 wells the state's well register assigns to this lease. Every one has a page.
| Well | No. | Operator | Status |
|---|---|---|---|
| IMTHURN SISTERS | 1 | Sauder Oil Co., LLC | Producing |
| IMTHURN SISTERS | 2 | Sauder Oil Co., LLC | Producing |
| IMTHURN | 1 | Petroleum Energy, Inc. | — |
| IMTHURN SISTERS | 3 | Sauder Oil Co., LLC | Producing |
| IMTHURN | 4 | unavailable | Plugged and Abandoned |
| IMTHURN | 1 | unavailable | Plugged and Abandoned |
| IMTHURN | 1 | unavailable | Plugged and Abandoned |
| IMTHURN | 15 | unavailable | Plugged and Abandoned |
Location
38.083074, -95.978702 · NENENE Sec 4 T23S R13E
Kansas Geological Survey data, corpus built 2026-09-07. Lease 1001109430. The state’s own record.